The following article from Mashable (via @meanwritehook – thank you for sharing!) interested me, since it not only shows a company using Foursquare to increase sales, but also shares the results – which is the bit we all want to know about.

Amid the doom and gloom of spending cuts and rising unemployment, I want to focus this week’s beautiful bytes on reasons to be optimistic for the charity sector in 2011:

Not that long ago, if you wanted to make a personal approach to someone, you wrote them a letter.

There’s nothing quite like a letter. It makes you feel special. It sounds as if it knows you, about things you’ve done, places you may have been, things you care about.